Display module and display device

Abstract

The disclosure provides a display module and a display device. A front projection of a reflective light-shielding layer on a substrate and corresponding a display region is located within a coverage of a front projection of a black matrix on the substrate and corresponding to the display region, and a ratio of a front projection area of the reflective light-shielding layer on the substrate and corresponding to the display region to a front projection area of the black matrix on the substrate and corresponding to the display region is greater than 20%.

What is claimed is: 
     
         1 . A display module, comprising:
 a substrate;   a reflective light-shielding layer disposed on the substrate, the reflective light-shielding layer comprising a plurality of first reflective light-shielding portions and at least one second reflective light-shielding portion, and the second reflective light-shielding portion comprising a second sub-portion;   a thin film transistor layer disposed on a side of the reflective light-shielding layer away from the substrate, the thin film transistor layer comprising a plurality of data lines, a plurality of scan lines, and a plurality of touch lines;   a black matrix disposed on a side of the thin film transistor layer away from the reflective light-shielding layer; and   a backlight assembly disposed on a side of the substrate away from the reflective light-shielding layer;   wherein the display module comprises a display region, a front projection of the reflective light-shielding layer on the substrate and corresponding to the display region is disposed within a coverage of a front projection of the black matrix on the substrate and corresponding to the display region, and a ratio of a front projection area of the reflective light-shielding layer on the substrate and corresponding to the display region to a front projection area of the black matrix on the substrate and corresponding to the display region is greater than 20%;   wherein the display module comprises a plurality of sub-pixel region groups disposed in the display region and arranged in a first direction, a plurality of sub-pixel regions arranged in a second direction are disposed in each of the sub-pixel region groups, and the first direction crosses the second direction; and   wherein the first reflective light-shielding portion is disposed between any two adjacent sub-pixel region groups, and the second reflective light-shielding portion is disposed between two adjacent sub-pixel regions in at least one of the sub-pixel region groups; one of the scan lines is disposed between any two adjacent sub-pixel region groups; and one of the touch lines, one of the data lines and one second sub-portion are disposed between any two adjacent sub-pixel regions in each of the sub-pixel region groups, and both the one touch line and the one data line are correspondingly disposed at least partially overlapping with the one second sub-portion.   
     
     
         2 . The display module according to  claim 1 , wherein the ratio of the front projection area of the reflective light-shielding layer on the substrate and corresponding to the display region to the front projection area of the black matrix on the substrate and corresponding to the display region is greater than or equal to 80% and less than or equal to 100%. 
     
     
         3 . The display module according to  claim 1 , wherein the reflective light-shielding layer comprises a plurality of second reflective light-shielding portions, and a second reflective light-shielding portion is disposed between every two adjacent sub-pixel regions in each of the sub-pixel region groups. 
     
     
         4 . The display module according to  claim 3 , wherein each of the first reflective light-shielding portions is disposed between any two adjacent sub-pixel region groups and extends in the second direction; and
 each of the second reflective light-shielding portions is disposed between any two adjacent sub-pixel regions in a corresponding sub-pixel region group and between two first reflective light-shielding portions adjacent in the first direction.   
     
     
         5 . The display module according to  claim 4 , wherein a front projection of the data line on the substrate and a front projection of the scan line on the substrate are both located within a coverage of the front projection of the reflective light-shielding layer on the substrate. 
     
     
         6 . The display module according to  claim 4 , wherein each of the second reflective light-shielding portions is connected to and disposed between two first reflective light-shielding portions adjacent in the first direction, so that the plurality of first reflective light-shielding portions and the plurality of second reflective light-shielding portions are disposed around each of the sub-pixel regions. 
     
     
         7 . The display module according to  claim 4 , wherein the first reflective light-shielding portion and the second reflective light-shielding portion are spaced apart from each other. 
     
     
         8 . The display module according to  claim 7 , wherein each of the first reflective light-shielding portions comprises a plurality of first sub-portions arranged at intervals, and the plurality of first sub-portions in the same first reflective light-shielding portion are arranged in the second direction. 
     
     
         9 . The display module according to  claim 8 , wherein a plurality of first sub-portions in one of two adjacent first reflective light-shielding portions and a plurality of first sub-portions in another of the two adjacent first reflective light-shielding portions are disposed in one-to-one correspondence; and
 wherein at least six sub-pixel regions arranged in the second direction are disposed between two oppositely disposed first sub-portions of the two adjacent first reflective light-shielding portions.   
     
     
         10 . The display module according to  claim 4 , wherein, the second reflective light-shielding portion further comprises a third sub-portion, and a width of the second sub-portion in the second direction is larger than a width of the third sub-portion in the second direction; and
 wherein one data line and one third sub-portion are disposed between any two adjacent sub-pixel regions in each of the sub-pixel region groups, and the one data line is correspondingly disposed at least partially overlapping with the one third sub-portion.   
     
     
         11 . The display module according to  claim 10 , wherein the second sub-portion comprises a first unit and a second unit spaced apart in the second direction, and wherein the first unit is at least partially overlapped with the data line and the second unit is at least partially overlapped with the touch line. 
     
     
         12 . The display module according to  claim 10 , wherein a width of the first reflective light-shielding portion in the first direction is greater than a width of the scan line in the first direction, and a width of the second reflective light-shielding portion in the second direction is greater than a sum of a width of the data line in the second direction and a width of the touch line in the second direction. 
     
     
         13 . The display module according to  claim 1 , wherein the black matrix comprises a plurality of openings, one of the openings corresponds to one of the sub-pixel regions; and
 wherein a difference between a distance between two openings adjacent in the first direction and a width of the first reflective light-shielding portion in the first direction is greater than or equal to 0.5 μm and less than or equal to 2 μm; and a difference between a distance between two openings adjacent in the second direction and a width of the second reflective light-shielding portion in the second direction is greater than or equal to 0.5 μm and less than or equal to 2 μm.   
     
     
         14 . The display module according to  claim 1 , wherein the thin film transistor layer further comprises a thin film transistor disposed in the display region, and the reflective light-shielding layer is disposed between the thin film transistor and the substrate. 
     
     
         15 . The display module according to  claim 1 , wherein a ratio of the front projection area of the reflective light-shielding layer on the substrate and corresponding to the display region to an area of the display region is greater than or equal to 25% and less than or equal to 90%. 
     
     
         16 . The display module according to  claim 15 , wherein the ratio of the front projection area of the reflective light-shielding layer on the substrate and corresponding to the display region to the area of the display region is greater than or equal to 25% and less than or equal to 70%. 
     
     
         17 . A display device comprising a device main body and a display module, wherein the device main body is integrated with the display module, and the display module comprises:
 a substrate;   a reflective light-shielding layer disposed on the substrate, the reflective light-shielding layer comprising a plurality of first reflective light-shielding portions and at least one second reflective light-shielding portion, and the second reflective light-shielding portion comprising a second sub-portion;   a thin film transistor layer disposed on a side of the reflective light-shielding layer away from the substrate, the thin film transistor layer comprises a plurality of data lines, a plurality of scan lines, and a plurality of touch lines;   a black matrix disposed on a side of the thin film transistor layer away from the reflective light-shielding layer; and   a backlight assembly disposed on a side of the substrate away from the reflective light- shielding layer;   wherein the display module comprises a display region, a front projection of the reflective light-shielding layer on the substrate and corresponding to the display region is disposed within a coverage of a front projection of the black matrix on the substrate and corresponding to the display region, and a ratio of a front projection area of the reflective light-shielding layer on the substrate and corresponding to the display region to a front projection area of the black matrix on the substrate and corresponding to the display region is greater than 20%;   wherein the display module comprises a plurality of sub-pixel region groups disposed in the display region and arranged in a first direction, a plurality of sub-pixel regions arranged in a second direction are disposed in each of the sub-pixel region groups, and the first direction crosses the second direction; and   wherein the first reflective light-shielding portion is disposed between any two adjacent sub-pixel region groups, and the second reflective light-shielding portion is disposed between two adjacent sub-pixel regions in at least one of the sub-pixel region groups; one of the scan lines is disposed between any two adjacent sub-pixel region groups; and one of the touch lines, one of the data lines and one second sub-portion are disposed between any two adjacent sub-pixel regions in each of the sub-pixel region groups, and both the one touch line and the one data line are correspondingly disposed at least partially overlapping with the one second sub-portion.   
     
     
         18 . The display device according to  claim 17 , wherein the ratio of the front projection area of the reflective light-shielding layer on the substrate and corresponding to the display region to the front projection area of the black matrix on the substrate and corresponding to the display region is greater than or equal to 80% and less than or equal to 100%. 
     
     
         19 . The display device according to  claim 17 , wherein the reflective light-shielding layer comprises a plurality of second reflective light-shielding portions, and a second reflective light-shielding portion is disposed between every two adjacent sub-pixel regions in each of the sub-pixel region groups. 
     
     
         20 . The display device according to  claim 19 , wherein each of the first reflective light-shielding portions is disposed between any two adjacent sub-pixel region groups and extends in the second direction; and
 each of the second reflective light-shielding portions is disposed between any two adjacent sub-pixel regions in a corresponding sub-pixel region group and between two first reflective light-shielding portions adjacent in the first direction.